Administrator Guide
Entity MIBS........................................................................................................................................ 190
Example of Sample Entity MIBS outputs.................................................................................... 190
Standard VLAN MIB........................................................................................................................... 192
Enhancements.............................................................................................................................192
Fetching the Switchport Configuration and the Logical Interface Configuration ...................193
SNMP Traps for Link Status...............................................................................................................194
MIB Support to Display the Available Memory Size on Flash.......................................................... 194
Viewing the Available Flash Memory Size.................................................................................. 194
MIB Support to Display the Software Core Files Generated by the System...................................194
Viewing the Software Core Files Generated by the System...................................................... 195
17 Stacking............................................................................................................196
Stacking Aggregators........................................................................................................................196
Stack Management Roles............................................................................................................197
Stack Master Election..................................................................................................................198
Failover Roles.............................................................................................................................. 198
MAC Addressing.......................................................................................................................... 199
Stacking LAG................................................................................................................................199
Stacking VLANs............................................................................................................................199
Stacking Port Numbers.................................................................................................................... 200
Configuring a Switch Stack.............................................................................................................. 202
Stacking Prerequisites.................................................................................................................202
Master Selection Criteria............................................................................................................ 202
Configuring Priority and stack-group........................................................................................202
Cabling Stacked Switches...........................................................................................................203
Accessing the CLI....................................................................................................................... 204
Configuring and Bringing Up a Stack.........................................................................................204
Adding a Stack Unit.....................................................................................................................205
Resetting a Unit on a Stack.........................................................................................................205
Removing an Aggregator from a Stack and Restoring Quad Mode.........................................206
Configuring the Uplink Speed of Interfaces as 40 Gigabit Ethernet.............................................. 206
Merging Two Operational Stacks.....................................................................................................208
Verifying a Stack Configuration....................................................................................................... 208
Using Show Commands.............................................................................................................208
Troubleshooting a Switch Stack.......................................................................................................210
Failure Scenarios..........................................................................................................................212
Upgrading a Switch Stack................................................................................................................. 214
Upgrading a Single Stack Unit.......................................................................................................... 216
18 Broadcast Storm Control.............................................................................. 217
Disabling Broadcast Storm Control.................................................................................................. 217
Displaying Broadcast-Storm Control Status.................................................................................... 217